Photo credit: The Moniteur of 03/06/2016
Already present on the design of lines 15 and 18 of the Grand Paris Express, GEOS takes part to the design studies for line 17 North, as subcontractor of INGEROP Consulting and Engineering for geotechnics: a 20-kilometer-long railway stretching from the station Le Bourget RER (station not included) to Mesnil-Amelot via 6 stations, 2 of them serving the Roissy-Charles de Gaulle airport.